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Finding the Fourth Proportional to 12,152.50, 16,770.36 and 6,849.02

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Solution

The fourth proportional to 12,152.50, 16,770.36 and 6,849.02 is: 9,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.50 : 16,770.36 = 6,849.02 : x
  2. Step 2: Convert to fraction form
    12,152.50/16,770.36 = 6,849.02/x
  3. Step 3: Cross multiply
    12,152.50x = 16,770.36 × 6,849.02
  4. Step 4: Simplify right side
    12,152.50x = 114,860,531.05
  5. Step 5: Solve for x
    x = 114,860,531.05/12,152.50
  6. Step 6: Final answer
    x = 9,451.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.